Controller for soldering iron



FIG. 1 is a first perspective view of a controller for soldering iron;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is a cross-sectional view taken along line 9-9 in FIG. 3 thereof, in which the internal mechanism is omitted.

The broken lines in the drawings depict unclaimed environmental subject matter. The dash dot dash broken lines in the drawings depict the boundaries of the claimed design and form no part thereof. 

CLAIM The ornamental design for a controller for soldering iron, as shown and described. 